

Jared is blamed for the mischief that the Boggart causes, and it is only his twin brother Simon thatīelieves him when he says that it wasn't him.

It doesn't take long until mysterious things start to happen, and when Jared finds a mysterious Field Guide in the attic, he discovers that the events are caused by a Boggart a troublesome, nasty little creature that was once a helpful Brownie named Thimbletack.

It opens in Maine, New England, where the three Grace children moves into the old, ramshackle Spiderwick Estate along with their mother, Helen. The first book, The Field Guide, was published in May 2003. Soon, the children gets involved in this Invisible World and have to defend the Field Guide from the evil, shape-shifting Ogre Mulgarath and his army of Goblins. The books features the three Grace children: Jared, Simon and Mallory, who finds a mysterious Field Guide hidden in the attic, written by their great-great-uncle Arthur Spiderwick, who studied Faeries - magical beings who hide themselves from Humans using a type of magic called glamour.
